Case for electronic device



FIG. 1 is a first rear isometric view of a case for electronic device showing our new design;

FIG. 2 is a rear view thereof; and,

FIG. 3 is a second rear isometric view thereof.

The dot-dash broken lines represent a boundary of the claimed design. The dash-dash broken lines depict unclaimed environment. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a case for electronic device, as shown and described. 